The Gunners will definitely be without the suspended William Saliba, while Jurrien Timber was absent again for the 1-0 Champions League win against Shakhtar Donetsk. Takehiro Tomiyasu, who has kept Mohamed Salah quiet in the past, is also out after having a setback in his return from a knee injury.

Breaking down the moment the French defender was dismissed for a professional foul — and what was said about it

Saliba faced up to a three-game suspension for receiving a straight red card, but since his foul was "professional" and not deemed violent or dangerous, he will only miss one Premier League match. The 23-year-old will not be available in Arsenal's upcoming clash with Liverpool on Oct. 27.